[ng_layout] Rename NGFragmentBase,NGFragment,NGPhysicalFragment

third_party/WebKit/Source/core/layout/ng/ng_block_node.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGBlockNode_h
 #define NGBlockNode_h
 
 #include "core/CoreExport.h"
 #include "core/layout/ng/ng_layout_input_node.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class ComputedStyle;
 class LayoutBox;
 class LayoutObject;
 class NGConstraintSpace;
-class NGFragmentBase;
+class NGFragment;
 class NGLayoutAlgorithm;
 class NGLayoutCoordinator;
-class NGPhysicalFragment;
+class NGPhysicalBoxFragment;
 struct MinAndMaxContentSizes;
 
 // Represents a node to be laid out.
 class CORE_EXPORT NGBlockNode final : public NGLayoutInputNode {
   friend NGLayoutInputNode;
 
  public:
   explicit NGBlockNode(LayoutObject*);
 
   // TODO(layout-ng): make it private and declare a friend class to use in tests
   explicit NGBlockNode(ComputedStyle*);
 
   ~NGBlockNode() override;
 
-  bool Layout(NGConstraintSpace*, NGFragmentBase**) override;
+  bool Layout(NGConstraintSpace*, NGFragment**) override;
   NGBlockNode* NextSibling() override;
 
   // Computes the value of min-content and max-content for this box.
   // The return value has the same meaning as for Layout.
   // If the underlying layout algorithm returns NotImplemented from
   // ComputeMinAndMaxContentSizes, this function will synthesize these sizes
   // using Layout with special constraint spaces.
   // It is not legal to interleave a pending Layout() with a pending
   // ComputeOrSynthesizeMinAndMaxContentSizes (i.e. you have to call Layout
   // often enough that it returns true before calling
   // ComputeOrSynthesizeMinAndMaxContentSizes)
   bool ComputeMinAndMaxContentSizes(MinAndMaxContentSizes*);
 
   const ComputedStyle* Style() const;
   ComputedStyle* MutableStyle();
 
   NGLayoutInputNode* FirstChild();
 
   void SetNextSibling(NGBlockNode*);
   void SetFirstChild(NGLayoutInputNode*);
 
   DECLARE_VIRTUAL_TRACE();
 
   // Runs layout on layout_box_ and creates a fragment for the resulting
   // geometry.
-  NGPhysicalFragment* RunOldLayout(const NGConstraintSpace&);
+  NGPhysicalBoxFragment* RunOldLayout(const NGConstraintSpace&);
 
   // Called if this is an out-of-flow block which needs to be
   // positioned with legacy layout.
   void UseOldOutOfFlowPositioning();
 
-  void UpdateLayoutBox(NGPhysicalFragment* fragment,
+  void UpdateLayoutBox(NGPhysicalBoxFragment* fragment,
                        const NGConstraintSpace* constraint_space);
 
  private:
   // This is necessary for interop between old and new trees -- after our parent
   // positions us, it calls this function so we can store the position on the
   // underlying LayoutBox.
   void PositionUpdated();
 
   bool CanUseNewLayout();
   bool HasInlineChildren();
 
   // After we run the layout algorithm, this function copies back the geometry
   // data to the layout box.
   void CopyFragmentDataToLayoutBox(const NGConstraintSpace&);
 
   // We can either wrap a layout_box_ or a style_/next_sibling_/first_child_
   // combination.
   LayoutBox* layout_box_;
   RefPtr<ComputedStyle> style_;
   Member<NGBlockNode> next_sibling_;
   Member<NGLayoutInputNode> first_child_;
   Member<NGLayoutCoordinator> layout_coordinator_;
   Member<NGLayoutAlgorithm> minmax_algorithm_;
-  Member<NGPhysicalFragment> fragment_;
+  Member<NGPhysicalBoxFragment> fragment_;
 };
 
 DEFINE_TYPE_CASTS(NGBlockNode,
                   NGLayoutInputNode,
                   node,
                   node->Type() == NGLayoutInputNode::kLegacyBlock,
                   node.Type() == NGLayoutInputNode::kLegacyBlock);
 
 }  // namespace blink
 
 #endif  // NGBlockNode